diff --git a/controllers/mtwm_callback.go b/controllers/mtwm_callback.go
index 9047edbd5..aabaf8b9e 100644
--- a/controllers/mtwm_callback.go
+++ b/controllers/mtwm_callback.go
@@ -20,7 +20,9 @@ func (c *MtwmController) onCallbackMsg(msgType string) {
 			callbackResponse = mtwmapi.Err2CallbackResponse(nil, "")
 		}
 	}
-	c.Data["json"] = callbackResponse
+	c.Data["json"] = mtwmapi.Err2CallbackResponse(nil, "")
+
+	//c.Data["json"] = callbackResponse
 	c.ServeJSON()
 }